19848902

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1\times {\mathrm{1237}}^1$

素因数の和:1423

約数の個数: 16

約数和(自身を含む): 30484512

約数和(自身を除く): 10635610

約数列:

[1, 2, 71, 113, 142, 226, 1237, 2474, 8023, 16046, 87827, 139781, 175654, 279562, 9924451, 19848902]

約数ペア:

[(1, 19848902), (2, 9924451), (71, 279562), (113, 175654), (142, 139781), (226, 87827), (1237, 16046), (2474, 8023)]